HS

Harold L. Shumaker

AS American Standard: 2 patents #187 of 558Top 35%
📍 Monroeville, PA: #311 of 710 inventorsTop 45%
🗺 Pennsylvania: #30,495 of 74,527 inventorsTop 45%
Overall (All Time): #2,333,158 of 4,157,543Top 60%
2
Patents All Time

Issued Patents All Time

Showing 1–2 of 2 patents

Patent #TitleCo-InventorsDate
4867279 Low-profile railway car retarder Charles T. Link, Bennie M. Gray 1989-09-19
4696223 Pneumatic pressure actuator Charles T. Link, Bennie M. Gray 1987-09-29